fix(deps): update dependency packaging to v26

Author: renovate[bot]

pyproject.toml

@@ -79,7 +79,7 @@ dependencies = [
     "fastapi[all,standard]>=0.123.10",
     "humanize>=4.14.0,<5",
     "nicegui[native]>=3.5.0,<4",  # CVE-2026-21871, CVE-2026-21871, CVE-2026-21873, CVE-2026-21874 all require >=3.5.0
-    "packaging>=25.0,<26",
+    "packaging>=26,<27",
     "platformdirs>=4.5.1,<5",
     "psutil>=7.1.3,<8",
     "pydantic-settings>=2.12.0,<3",